Compare and contrast cyclophyllideans and pseudophyllideans. Which characteristics are shared by both

hello your question is incomplete attached below is the complete question

 option 4 ( I and IV )

Explanation:

when you compare cyclophyllideans and pseudophyllideans they both have scolex ( which is the head portion ) and they both have gravid proglottids ( which is similar units consisting of the body ) .scolex and gravid proglottids belong the order hence these are the characteristics shared by both  cyclophyllideans and pseudophyllideans

plant because they survive by water, sunlight, ex.

explanation:

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.